How many grams of cobalt-60 will remain after three half-lives?

asked Feb 3, 2020 78.6k views

2 votes

8.2k points

0 Comments

Please log in or register to add a comment.

2 votes

Answer:

1.25

Step-by-step explanation:

After 3 half lives and 17,190 years have gone by. 1.25

Menyh answered Feb 5, 2020

by Menyh

8.0k points

0 Comments

2 votes

Answer:

Cobalt-60 decays, with a half-life of 5.3 years, to the element nickel-60 by the emission of a 0.32 MeV beta particle.

8.6k points

0 Comments

Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.